# PyPy Configuration[translation.no__thread]

PyPy Configuration[translation.no__thread]
general documentation config index command-line overview

# translation.no__thread

Contents

- Basic Option Information
- Description

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# Basic Option Information

- name: no__thread
- description: don't use __thread for implementing TLS
- command-line: --no__thread
- option type: boolean option
- default: False

# Description

Don't use gcc __thread attribute for fast thread local storage implementation . Increases the chance that moving the resulting executable to another same processor Linux machine will work. (see --vanilla).